<script type="text/javascript">
function checnum(as)
{
var dd = as.value;
if(isNaN(dd))
{
dd = dd.substring(0,(dd.length-1));
as.value = dd;
}
} function inchconv(val){
with(document.conv){
cm.value = (Math.round(inch.value*2.54)).toFixed(2);
feet.value=(Math.round(inch.value/12)).toFixed(2);
var tmp=(inch.value* 2.54)*Math.pow(10,-5);
kilo.value=((inch.value* 2.54)*Math.pow(10,-5)).toFixed(2);
miles.value=((inch.value*1.58)*Math.pow(10,-5)).toFixed(2);
} }
function feetconv(val){
with(document.conv){
cm.value=(Math.round(feet.value*30.48)).toFixed(2);
inch.value=(Math.round(feet.value*12)).toFixed(2);
kilo.value=((feet.value* 3.05)*Math.pow(10,-4)).toFixed(2);
miles.value==((feet.value*1.8900000000000001)*Math.pow(10,-4)).toFixed(2);
} } function cmconv(val){
with(document.conv){
feet.value = (Math.round(cm.value/30.84)).toFixed(2);
inch.value = (Math.round(cm.value/2.54)).toFixed(2);
kilo.value=((cm.value*1)*Math.pow(10,-5)).toFixed(2);
miles.value==((cm.value*6.21)*Math.pow(10,-6)).toFixed(2);
} } function kiloconv(val){
with(document.conv){
feet.value = ((kilo.value*3.28)*Math.pow(10,3)).toFixed(2);
inch.value = ((kilo.value*3.94)*Math.pow(10,4)).toFixed(2);
cm.value=((kilo.value*1)*Math.pow(10,5)).toFixed(2);
miles.value=((kilo.value* 0.621)).toFixed(2);
} } function milesconv(val){
with(document.conv){
feet.value =((miles.value* 5.28)*Math.pow(10,3)).toFixed(2);
inch.value = ((miles.value*6.34)*Math.pow(10,4)).toFixed(2);
cm.value=((miles.value*1.61)*Math.pow(10,5)).toFixed(2);
kilo.value=((miles.value*1.61)).toFixed(2);
} } </script>
<form name=conv>
<table style='border:gray solid 7px;font-size:18px'width=220 height=50>
<tr>
<td>Length calculator</td>
<td align=right><a style='font-size:18px; text-decoration:none; color:#3D366F;cursor:pointer' href='https://www.emexee.com'></a></td></tr>
<tr><td align=center><input onkeyUp="checnum(this);inchconv();" value=1 name=inch></td><td>inch</td></tr>
<tr><td align=center><input
onkeyUp="checnum(this);cmconv();" value=2.25 name=cm
></td><td>cm</td></tr>
<tr><td align=center><input onkeyUp="checnum(this);feetconv();" value=0 name=feet
></td><td>feet</td></tr>
<tr><td align=center><input onkeyUp="checnum(this);kiloconv();" value=0 name=kilo ></td><td>kilo</td></tr>
<tr><td align=center><input onkeyUp="checnum(this);milesconv();" value=0 name=miles></td><td>Miles</td></tr>
</table> </form> <br>